HDMITM/DVI Input 1 (detailed view) TMDSTM Data and Clock Channels +5V Power Signal Hot Plug Detect (HPD) DDC PS331 TMDS Input Port 1 HDMI/DVI Output Equalizer Source Device Detection DDC Interface HDMI/ DVI Input 2 TMDS Input Port 2 HDMI/ DVI input 3 TMDS Input Port 3 3:1 MUX TMDS Data and Clock HPD & Switch Control HPD I2C Control Interface Host Control EDID Shadow RAM DDC Switch and Buffer DDC KEY FEATURES GENERAL DESCRIPTION Ideally suited for HDMITM and DVI receiver or repeater applications Enables three selectable HDMI/DVI inputs for one HDMI/DVI receiver HDMI 1.4a compliant with data rates up to 2.25Gbps Deep Color supported; color depths of 8, 10 and 12 bits per pixel Integrated EDID shadow RAM Source detection provides flexible system management Integrated equalizer for each HDMI/DVI input port provides up to 17dB of cable loss compensation Integrated 50ohm active receiver termination Accepts AC and DC coupled HDMI/DVI transmitters Integrated DDC channel multiplexer includes active buffering and 5V tolerance Single 3.3V Power Supply 64-pin QFN (9x9mm) or TQFP Package (7x7mm body) 0°C to 70°C Operating Temperature Range ESD: Human Body Mode to 8kV The PS331 is an integrated 3-to-1 HDMI/DVI switch designed for HDMI/DVI receiver or repeater applications. It integrates all system functions including the EDID shadow RAM, the DDC switch and Source device detection. The PS331 supports HDMI 1.4a applications with Deep Color up to 12 bits per component, supporting a TMDS clock rate up to 225MHz (data rate 2.25Gbps), and it supports the HDMI 1.4a compliance spec. Rev. 1 Information furnished by Parade Technologies is believed to be accurate and reliable. However, no responsibility is assumed by Parade Technologies for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specification is subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Parade Technologies. Trademarks and registered trademarks are the property of their respective owners. Each of the three HDMI/DVI input ports connect directly to an HDMI/DVI input receptacle without the need for additional components, including ESD protection. 5V tolerance is supported on the DDC and HPC interfaces. Input port selection, device control, and EDID shadow RAM loading is performed by the host through the PS331 I2C Control Interface. APPLICATIONS Digital TVs A/V Receivers HDMI/DVI Switch Boxes Digital DVR or Set-Top Boxes PC Monitors Parade Technologies, Inc. 2890 Zanker Road, Suite 102, San Jose, CA 95134, U.S.A. TEL: 408-329-5540 FAX: 408-329-5541 http://www.paradetech.com © 2011 Parade Technologies, Inc. All rights reserved.
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